(import (prefix gnuplot-pipe gp:))

(gp:call/gnuplot
 (gp:send "set xdata time")
 (gp:send "set timefmt '%Y/%m'")
 (gp:send "set autoscale")
 (gp:send "set format x '%m/%d'")
 (gp:send "set terminal png size 720,650")
 (gp:send "set output 'output.png'")
 (gp:plot '(("title 'hello'" ("2022/01" "2023/02" "2024/03" "2025/04") (10 50 30 40)))))